HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized
H&K Heckler & Koch
$34.95Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized.HKP-19692$34.95 -
HK416, MR556, MR762 Extractor Spring Buffer
H&K Heckler & Koch
$14.95H&K HK MR556/MR762/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 HK 416 HK MR762HKP-00051$14.95 -
HK416, MR556 Bolt Head Cam Pin
H&K Heckler & Koch
$31.95H&K HK MR556/416 Bolt Head Cam Pin New factory HK German manufactured cam pin for bolt group. A common wear and replacement item. Compatible With: HK 416 HK MR556 HK M27 HK 416 A5HKP-02539$31.95 -
300 BLK Locking Piece
RCM
$49.95RCM 300 BLK Locking Piece New US manufactured 300 BLK locking piece for custom 300 builds or other custom 300 BLK HK style roller locked firearms. Compatible With: HK 93 & 33HKP-15547$49.95 -
HK MP5 Flat Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...HKP-21102$87.95 -
HK 2 Round HK SLB 2000 30-06 Magazine
H&K Heckler & Koch
$29.95HK SLB 2000 30-06 2 Round MagHKP-16997$29.95 -
HK91, G3 SEF Navy Style Trigger Group HK G3 - Used Excellent
H&K Heckler & Koch
$389.95H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Excellent HK factory German HK G3 & HK 91 Full Auto Trigger Group Complete. Pulled from German military HK G3 rifles. These work great as spares or for collectible items. Used in...HKP-18670$389.95 -
HK91, G3 Fixed Stock - Alpine Green - Surplus
H&K Heckler & Koch
$29.95HK German Surplus G3, 91, PTR Stock Complete - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green version available. All stocks are 90's production, date coded and made by HK for the...HKP-17112$29.95 -
HK Selector Catch Lever - Ambi Trigger Packs
H&K Heckler & Koch
$26.95HK German Ambidextrous Trigger Pack Axle Catch Lever This is the lever that allows you to take apart any of the ambidextrous trigger packs. This lever takes the spring tension off the left and right side selector levers, allowing you to remove and...HKP-01636$26.95 -
HK 3 Point Sling Replacement Holding Clip
H&K Heckler & Koch
$19.95New HK German 3-Point Sling Rear Stock Holding Clip This is the hard-to-find holding clip that secures the standard 3-point HK sling to the A2 or A3 stock. The rear sling clip can become weak and break, making your 3-point sling useless. The sling...HKP-01043$19.95 -
On Sale
HK MP5, SP5K Thread Protector - 9mm - 1/2x32 RH
H&K Heckler & Koch
Now: $32.95Was: $39.95H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...HKP-00108Now: $32.95Was: $39.95 -
HK MP5 Stock or Brace Adapter - AR
HKP HK Parts
$114.95HKP MP5 AR Brace/Stock Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock...HKP-17118$114.95